package com.nowcoder.community.util;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;

/**
 * <p>Title: CookieUtil</p>
 * <p>author 12427</p>
 *
 * @version ver1.0
 * @date 2022/7/22 16:17
 */
public class CookieUtil {

    public static String getValue(HttpServletRequest request , String name){
        if(request == null || name == null){
            throw new IllegalArgumentException("参数为空") ;
        }
        Cookie[] cookies = request.getCookies() ;

        if(cookies != null) {
            for(Cookie cookie :cookies){
                if(cookie.getName().equals(name)){
                    return cookie.getValue() ;
                }
            }
        }
        return null ;
    }
}
